.
*/
namespace Doctrine\ORM\Persisters;
use Doctrine\Common\DoctrineException;
/**
* The joined subclass persister maps a single entity instance to several tables in the
* database as it is defined by Class Table Inheritance.
*
* @author Roman Borschel
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @version $Revision$
* @link www.doctrine-project.org
* @since 2.0
* @todo Reimplement.
*/
class JoinedSubclassPersister extends StandardEntityPersister
{
/** Map that maps column names to the table names that own them.
* This is mainly a temporary cache, used during a single request.
*/
private $_owningTableMap = array();
/**
* {@inheritdoc}
*
* @override
*/
protected function _prepareData($entity, array &$result, $isInsert = false)
{
parent::_prepareData($entity, $result, $isInsert);
// Populate the discriminator column
if ($isInsert) {
$discColumn = $this->_class->discriminatorColumn;
$rootClass = $this->_em->getClassMetadata($this->_class->rootEntityName);
$result[$rootClass->primaryTable['name']][$discColumn['name']] =
$this->_class->discriminatorValue;
}
}
/**
* {@inheritdoc}
*
* @override
*/
public function getOwningTable($fieldName)
{
if ( ! isset($this->_owningTableMap[$fieldName])) {
if (isset($this->_class->associationMappings[$fieldName])) {
if (isset($this->_class->inheritedAssociationFields[$fieldName])) {
$this->_owningTableMap[$fieldName] = $this->_em->getClassMetadata(
$this->_class->inheritedAssociationFields[$fieldName])->primaryTable['name'];
} else {
$this->_owningTableMap[$fieldName] = $this->_class->primaryTable['name'];
}
} else if (isset($this->_class->fieldMappings[$fieldName]['inherited'])) {
$this->_owningTableMap[$fieldName] = $this->_em->getClassMetadata(
$this->_class->fieldMappings[$fieldName]['inherited'])->primaryTable['name'];
} else {
$this->_owningTableMap[$fieldName] = $this->_class->primaryTable['name'];
}
}
return $this->_owningTableMap[$fieldName];
}
/**
* {@inheritdoc}
*
* @override
*/
public function executeInserts()
{
if ( ! $this->_queuedInserts) {
return;
}
$postInsertIds = array();
$idGen = $this->_class->idGenerator;
$isPostInsertId = $idGen->isPostInsertGenerator();
$sqlLogger = $this->_conn->getConfiguration()->getSqlLogger();
// Prepare statements for all tables
$stmts = $classes = array();
$stmts[$this->_class->primaryTable['name']] = $this->_conn->prepare($this->_class->insertSql);
$sql[$this->_class->primaryTable['name']] = $this->_class->insertSql;
foreach ($this->_class->parentClasses as $parentClass) {
$parentClass = $this->_em->getClassMetadata($parentClass);
$sql[$parentClass->primaryTable['name']] = $parentClass->insertSql;
$stmts[$parentClass->primaryTable['name']] = $this->_conn->prepare($parentClass->insertSql);
}
$rootTableName = $this->_em->getClassMetadata($this->_class->rootEntityName)->primaryTable['name'];
foreach ($this->_queuedInserts as $entity) {
$insertData = array();
$this->_prepareData($entity, $insertData, true);
// Execute insert on root table
$stmt = $stmts[$rootTableName];
$paramIndex = 1;
if ($sqlLogger) {
$params = array();
foreach ($insertData[$rootTableName] as $columnName => $value) {
$params[$paramIndex] = $value;
$stmt->bindValue($paramIndex++, $value/*, TODO: TYPE*/);
}
$sqlLogger->logSql($sql[$rootTableName], $params);
} else {
foreach ($insertData[$rootTableName] as $columnName => $value) {
$stmt->bindValue($paramIndex++, $value/*, TODO: TYPE*/);
}
}
$stmt->execute();
unset($insertData[$rootTableName]);
if ($isPostInsertId) {
$id = $idGen->generate($this->_em, $entity);
$postInsertIds[$id] = $entity;
} else {
$id = $this->_em->getUnitOfWork()->getEntityIdentifier($entity);
}
// Execute inserts on subtables
foreach ($insertData as $tableName => $data) {
$stmt = $stmts[$tableName];
$paramIndex = 1;
if ($sqlLogger) {
//TODO: Log type
$params = array();
foreach ((array)$id as $idVal) {
$params[$paramIndex] = $idVal;
$stmt->bindValue($paramIndex++, $idVal/*, TODO: TYPE*/);
}
foreach ($data as $columnName => $value) {
$params[$paramIndex] = $value;
$stmt->bindValue($paramIndex++, $value/*, TODO: TYPE*/);
}
$sqlLogger->logSql($sql[$tableName], $params);
} else {
foreach ((array)$id as $idVal) {
$stmt->bindValue($paramIndex++, $idVal/*, TODO: TYPE*/);
}
foreach ($data as $columnName => $value) {
$stmt->bindValue($paramIndex++, $value/*, TODO: TYPE*/);
}
}
$stmt->execute();
}
}
foreach ($stmts as $stmt)
$stmt->closeCursor();
$this->_queuedInserts = array();
return $postInsertIds;
}
/**
* Updates an entity.
*
* @param object $entity The entity to update.
* @override
*/
public function update($entity)
{
$updateData = array();
$this->_prepareData($entity, $updateData);
$id = array_combine(
$this->_class->getIdentifierFieldNames(),
$this->_em->getUnitOfWork()->getEntityIdentifier($entity)
);
foreach ($updateData as $tableName => $data) {
$this->_conn->update($tableName, $updateData[$tableName], $id);
}
}
/**
* Deletes an entity.
*
* @param object $entity The entity to delete.
* @override
*/
public function delete($entity)
{
$id = array_combine(
$this->_class->getIdentifierFieldNames(),
$this->_em->getUnitOfWork()->getEntityIdentifier($entity)
);
// If the database platform supports FKs, just
// delete the row from the root table. Cascades do the rest.
if ($this->_conn->getDatabasePlatform()->supportsForeignKeyConstraints()) {
$this->_conn->delete($this->_em->getClassMetadata($this->_class->rootEntityName)
->primaryTable['name'], $id);
} else {
// Delete the parent tables, starting from this class' table up to the root table
$this->_conn->delete($this->_class->primaryTable['name'], $id);
foreach ($this->_class->parentClasses as $parentClass) {
$this->_conn->delete($this->_em->getClassMetadata($parentClass)->primaryTable['name'], $id);
}
}
}
/**
* Gets the SELECT SQL to select a single entity by a set of field criteria.
*
* @param array $criteria
* @return string The SQL.
* @todo Quote identifier.
* @override
*/
protected function _getSelectSingleEntitySql(array $criteria)
{
$tableAliases = array();
$aliasIndex = 1;
$idColumns = $this->_class->getIdentifierColumnNames();
$baseTableAlias = 't0';
foreach (array_merge($this->_class->subClasses, $this->_class->parentClasses) as $className) {
$tableAliases[$className] = 't' . $aliasIndex++;
}
$columnList = '';
foreach ($this->_class->fieldMappings as $fieldName => $mapping) {
$tableAlias = isset($mapping['inherited']) ?
$tableAliases[$mapping['inherited']] : $baseTableAlias;
if ($columnList != '') $columnList .= ', ';
$columnList .= $tableAlias . '.' . $this->_class->columnNames[$fieldName];
}
$sql = 'SELECT ' . $columnList . ' FROM ' . $this->_class->primaryTable['name']. ' ' . $baseTableAlias;
// INNER JOIN parent tables
foreach ($this->_class->parentClasses as $parentClassName) {
$parentClass = $this->_em->getClassMetadata($parentClassName);
$tableAlias = $tableAliases[$parentClassName];
$sql .= ' INNER JOIN ' . $parentClass->primaryTable['name'] . ' ' . $tableAlias . ' ON ';
$first = true;
foreach ($idColumns as $idColumn) {
if ($first) $first = false; else $sql .= ' AND ';
$sql .= $baseTableAlias . '.' . $idColumn . ' = ' . $tableAlias . '.' . $idColumn;
}
}
// OUTER JOIN sub tables
foreach ($this->_class->subClasses as $subClassName) {
$subClass = $this->_em->getClassMetadata($subClassName);
$tableAlias = $tableAliases[$subClassName];
$sql .= ' LEFT JOIN ' . $subClass->primaryTable['name'] . ' ' . $tableAlias . ' ON ';
$first = true;
foreach ($idColumns as $idColumn) {
if ($first) $first = false; else $sql .= ' AND ';
$sql .= $baseTableAlias . '.' . $idColumn . ' = ' . $tableAlias . '.' . $idColumn;
}
}
$conditionSql = '';
foreach ($criteria as $field => $value) {
if ($conditionSql != '') $conditionSql .= ' AND ';
$conditionSql .= $baseTableAlias . '.' . $this->_class->columnNames[$field] . ' = ?';
}
return $sql . ' WHERE ' . $conditionSql;
}
}